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1. Find a fault cause from the following three points during the repair machine and improve the system: (1) Check the inner leakage of the boom cylinder. The easiest way is to raise the boiled boat...
The hydraulic pump is a hydraulic system's energy device, which has a very important position in the hydraulic system. If the hydraulic pump is faulty, it is necessary to carry out excavator re...
The fault diagnosis method of the excavator hydraulic pump can be classified as an instrument diagnostic method and artificial diagnostic method. The instrument diagnosis method is a physical test ...
(1) If the engine is strictly accelerated, there will be a certain amount of lubricating oil in the bearing, which can be lubricated when the engine and idle are allowed, but when the engine speed ...
Carbon is a deposit produced after fuel and lubricating oil mixed without complete combustion. (Main ingredients are hydroxy acids, asphaltene, tar, etc.) The formation of sediments and "fuel&...
1. Engine speed If the rotational speed of the engine is not adjusted correctly, the detection of the other performance of the excavator is unreliable with the standard value. Therefore, the engine...
The main reason for causing excavator heavy-duty flameout is: Since the working pump displacement is too large, the engine is automatically turned off due to heavy load. According to the hydraulic ...
First, the comprehensive analysis is performed according to the various aspects of the mastery, and it should be found from the most likely causes, and then look for a rare reason. The possibility ...
Note: The engine is low-speed operation before the engine oil pressure indicator is turned off. If the indicator light does not extinguish in 10 seconds, the engine should be stopped, and the reaso...
Fault phenomenon: The excavator homework has a black smoke, affecting the normal work of the excavator. Excavator Black Smoke Analysis: Under normal circumstances, the excavator is in the homework,...
